Universal Licensing System
WSIQ571
DuPage Public Safety Communications
License details
| ULS identifier | 5147909 |
|---|
| Call sign | WSIQ571 |
|---|
| Radio service | PF |
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| Status | A |
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| Grant date | 2025-06-09 |
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| Expiration | 2035-06-09 |
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| Frequency range | 4942.5 - 4967.5 MHz (5 frequencies) |
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| Locations | 3 |
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| Coordinates | 41.7966944, -87.9569444 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:47:17 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 4942.50000000 | | | | | |
| 1 | 4 | FXO | 4947.50000000 | | | | | |
| 1 | 2 | FXO | 4957.50000000 | | | | | |
| 1 | 2 | FXO | 4962.50000000 | | | | | |
| 1 | 3 | FXO | 4967.50000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 4942.50000000 | | 4M50G7D |
| 1 | 4 | 4947.50000000 | | 4M50G7D |
| 1 | 2 | 4957.50000000 | | 4M50G7D |
| 1 | 2 | 4962.50000000 | | 4M50G7D |
| 1 | 3 | 4967.50000000 | | 4M50G7D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1041 S. Frontage Road, Darien, DUPAGE, IL | 41.73027778, -87.96927778 | 205.100 m | LTOWER | 91.400 m structure / 96.000 m overall | |
| 2 | R | | 41.75980556, -87.92511111 | 218.000 m | | | |
| 3 | R | | 41.79669444, -87.95694444 | 221.000 m | | | |
| 4 | R | | 41.74497222, -87.98613889 | 229.800 m | | | |
| 5 | R | | 41.80916667, -88.05277778 | 228.600 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | Cambium PTP-670 | | S | 23.0000 | 48.0000 | | |
| 1 | 2 | R | Cambium PTP-670 | | | 23.0000 | | | |
| 1 | 3 | R | Cambium PTP-670 | | | 23.0000 | | | |
| 1 | 4 | R | Cambium PTP-670 | | | 23.0000 | | | |
| 1 | 5 | R | Cambium PTP-670 | | | 23.0000 | | | |
| 2 | 1 | T | Cambium PTP-670 | | S | 23.0000 | 8.3000 | | |
| 3 | 1 | T | Cambium PTP-670 | | S | 23.0000 | 319.6000 | | |
| 4 | 1 | T | Cambium PTP-670 | | S | 23.0000 | 322.0000 | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 420 N. County Farm Rd, Wheaton, IL | DUPAGE | 6302607500 |
License history
| Date | File or call sign | Action |
|---|
| 2025-06-09 | WSIQ571 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 5147909 | 2026-08-02 02:47:17 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WSIQ571 | ULS 5147909 | 2026-08-02 02:47:17 |
| Status | A | ULS 5147909 | 2026-08-02 02:47:17 |
| Service | PF | ULS 5147909 | 2026-08-02 02:47:17 |
| Grant Date | 2025-06-09 | ULS 5147909 | 2026-08-02 02:47:17 |
| Expiration Date | 2035-06-09 | ULS 5147909 | 2026-08-02 02:47:17 |